source: src/tests/concurrent/coroutineYield.c @ ea8b2f7

#include <fstream>
#include <kernel>
#include <stdlib>
#include <thread>
#include <time>

#ifndef PREEMPTION_RATE
#define PREEMPTION_RATE 10`ms
#endif

Duration default_preemption() {
        return PREEMPTION_RATE;
}

#ifdef LONG_TEST
static const unsigned long N = 600_000ul;
#else
static const unsigned long N = 1_000ul;
#endif

coroutine Coroutine {};

void main(Coroutine& this) {
        while(true) {
                sout | "Coroutine 1" | endl;
                yield();
                sout | "Coroutine 2" | endl;
                suspend();
        }
}


int main(int argc, char* argv[]) {
        Coroutine c;
        for(int i = 0; i < N; i++) {
                sout | "Thread 1" | endl;
                resume(c);
                sout | "Thread 2" | endl;
                yield();
        }
}